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Students Eat Excessive Amounts Of Fat At School

Date:

January 13, 2003

Source:

Center For The Advancement Of Health

Summary:

Despite a government mandate that school lunches and breakfasts meet federal dietary guidelines, some middle school students eat half, rather than the recommended third, of their daily allowance of fat in school cafeteria lunches, according to a recent study.

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Despite a government mandate that school lunches and breakfasts meet federal dietary guidelines, some middle school students eat half, rather than the recommended third, of their daily allowance of fat in school cafeteria lunches, according to a recent study.

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School-provided lunches had the highest fat content of the school food offerings examined in the study. But school breakfasts, "a la carte" dining items such as pizza and baked goods, and chips and candy sold at student-run stores all contributed to "excessive" fat consumption by students, say James F. Sallis, Ph.D., of the University of California-San Diego and colleagues.

"We estimated that the average student consumed about 26 grams of total fat at school, 30 percent more than the 20 grams recommended, and 14 percent more saturated fat than recommended," says Sallis.

Sallis and colleagues investigated the food environment at 24 middle schools in San Diego County, Calif., calculating the total fat and saturated fat served in cafeteria lunches and breakfasts, a la carte items, student-run stores and bag lunches brought from home. Along with collecting information on the quantity of each item sold, the researchers also surveyed children on their daily menu choices.

Their analysis revealed that cafeteria lunches contained an average of 31.1 grams of fat, cafeteria breakfasts contained an average of 14.4 fat grams, a la carte items contained an average of 13.1 fat grams and items from student stores contained an average of 6.4 fat grams. Bag lunches had an average of 20.8 grams of fat.

The federal dietary guidelines recommend eating 65 grams of fat per day. Earlier studies suggest that students eat 33 percent of their daily food intake at school, meaning that only about 20 grams of fat should be consumed as part of the school day diet.

Based on the percentage of students who ate each category of food, the researchers concluded that cafeteria lunches contributed the most to the average daily fat intake, accounting for 42 percent of the fat eaten by students at school. A la carte items were also a major contributor, providing 27 percent of the total fat eaten at school.

"We believe that students may choose the higher fat options, the pizza over the chef salad, within the cafeteria lunch, so that the average lunch has more than 30 percent of its calories from fat," says Sallis.

"But to our surprise, bag lunches were relatively low in fat. So it does look like kids are choosing wisely when they pack their lunch," adds study co-author Michelle Zive of the University of California San Diego.

The researchers also noted an association between a la carte service and the average socioeconomic status of a school's population. In wealthier schools, students bought more a la carte items than in poorer schools. Poorer schools, however, tended to stock more high-fat items than wealthy schools.

Future studies should focus on individual daily fat consumption, say Sallis and colleagues, noting that students may have more eclectic eating habits than they predicted in their study. For instance, students may add a la carte items to their bag lunch each day, considerably boosting their fat intake.

The researchers suggest that schools should introduce lower fat versions of popular foods, reduce the price of low-fat items, introduce more low-fat eating options and creatively market low-fat foods to students to bring down overall fat consumption.

The study appears in a recent issue of the journal Preventive Medicine.

Center For The Advancement Of Health. "Students Eat Excessive Amounts Of Fat At School." ScienceDaily. ScienceDaily, 13 January 2003. <www.sciencedaily.com/releases/2003/01/030113072218.htm>.

Center For The Advancement Of Health. (2003, January 13). Students Eat Excessive Amounts Of Fat At School. ScienceDaily. Retrieved March 3, 2015 from www.sciencedaily.com/releases/2003/01/030113072218.htm

Center For The Advancement Of Health. "Students Eat Excessive Amounts Of Fat At School." ScienceDaily. www.sciencedaily.com/releases/2003/01/030113072218.htm (accessed March 3, 2015).

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